myserialfourdlg.cpp

wince 4.0平台测试过的,绝对可用的多串口驱动

// mySerialFourDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mySerialFour.h"
#include "mySerialFourDlg.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMySerialFourDlg dialog

CMySerialFourDlg::CMySerialFourDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMySerialFourDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMySerialFourDlg)
	m_ReceiveString = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMySerialFourDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMySerialFourDlg)
	DDX_Control(pDX, IDC_NUM, m_numText);
	DDX_Control(pDX, IDC_STATUS, m_portStatus);
	DDX_Control(pDX, IDC_RECEIVE, m_CReStr);
	DDX_Control(pDX, IDC_TRANS, m_transWnd);
	DDX_Control(pDX, IDC_COMBO, m_comboCom);
	DDX_Text(pDX, IDC_RECEIVE, m_ReceiveString);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMySerialFourDlg, CDialog)
	//{{AFX_MSG_MAP(CMySerialFourDlg)
	ON_BN_CLICKED(IDC_BTRANS, OnBtrans)
	ON_BN_CLICKED(IDC_BOPEN, OnBopen)
	ON_BN_CLICKED(IDC_BCLOSE, OnBclose)
	ON_CBN_CLOSEUP(IDC_COMBO, OnCloseupCombo)
	ON_MESSAGE(WM_COMM_RCHAR, showReceiveStr)
	ON_EN_MAXTEXT(IDC_RECEIVE, OnMaxtextReceive)
	ON_EN_MAXTEXT(IDC_TRANS, OnMaxtextTrans)
	ON_EN_CHANGE(IDC_TRANS, OnChangeTrans)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMySerialFourDlg message handlers

BOOL CMySerialFourDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen
    m_comboCom.SetCurSel(0);//设置下拉框里的初始值为"COM1:"
	m_strCom="COM1:";//
	ab=new CSerial();//初始化类CSerial
	m_CReStr.SetLimitText(2*1024);//设置该控件最大容量
	m_transWnd.SetLimitText(250);//设置该控件最大容量
	m_portStatus.SetWindowText(_T("The port has not been connected"));//开始未连接
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CMySerialFourDlg::OnBtrans() 
{
	// TODO: Add your control notification handler code here
		TCHAR *tp=new TCHAR[256];//为发送数据暂存设置空间
	DWORD num;
	CString str;//为发送数据暂存设置空间
	m_transWnd.GetWindowText(str);//取得编辑框里的数据
	num=(DWORD)str.GetLength();
    lstrcpy(tp, str);//将str内容给指针所指的内存,由于WritePort只接收TCHAR类型
	m_CReStr.ReplaceSel(_T("\r\nSend<<\r\n"),FALSE);
    m_CReStr.ReplaceSel(tp,FALSE);//显示已经发送的数据
	ab->WritePort(tp,num);//写出去
	m_transWnd.SetWindowText(_T(""));//清空发送框
	delete tp;
//	::MessageBox(NULL,_T("数据已发送！"),_T("提示！"),MB_ICONEXCLAMATION);
}

void CMySerialFourDlg::OnBopen() 
{
	// TODO: Add your control notification handler code here
	if (!(ab->OpenPort(m_strCom,m_hWnd)))
	{
		ab->ClosePort();//打开串口
		m_portStatus.SetWindowText(_T("The port has not been connected"));
		return;
	}
	//显示此时已有连接
	m_portStatus.SetWindowText(_T("The "+ m_strCom+"has been connected"));
}

void CMySerialFourDlg::OnBclose() 
{
	// TODO: Add your control notification handler code here
	delete ab;//删除CSreial对象
	m_portStatus.SetWindowText(_T("The port has not been connected"));
	//显示此时没有连接
}

void CMySerialFourDlg::OnCloseupCombo() 
{
	// TODO: Add your control notification handler code here
		int a=m_comboCom.GetCurSel();//取得当前游标
    if (a==0) m_strCom="COM1:" ;//根据游标值得到相应的字符
	else if (a==1) m_strCom="COM2:";
	m_comboCom.UpdateData(true);//刷新
}
void CMySerialFourDlg::showReceiveStr(WPARAM wParam)//接收到消息,准备显示字符
{   
	m_CReStr.ReplaceSel(_T("\r\nReceive>>\r\n"),FALSE);//表示这时显示的是接收的字符
    m_CReStr.ReplaceSel((TCHAR *)wParam,FALSE);//显示接收的字符

}

void CMySerialFourDlg::OnMaxtextReceive() //控件IDC_RECEIVE中数据过量时执行
{
	// TODO: Add your control notification handler code here
	m_CReStr.SetWindowText(_T(""));//设置里面数据为空
}

void CMySerialFourDlg::OnMaxtextTrans() //控件IDC_TRANS中数据过量时执行
{
	// TODO: Add your control notification handler code here
	::MessageBox (NULL, TEXT("Can't input more data!"), 
             TEXT("NOTICE!"), MB_OK);//提示用户已输入过量信息
}

void CMySerialFourDlg::OnChangeTrans() //每输入一个字符都会执行
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here

	CString str;//为发送数据暂存设置空间
    char te[3];
	m_transWnd.GetWindowText(str);//取得编辑框里的数据
	sprintf(te,"%d",250-(DWORD)str.GetLength());//计算数据长度,并将其转化为字符串
	str=(CString)te;//转化为CString结构
    m_numText.SetWindowText((LPCTSTR)str);//用静态文本控件显示,还能输入的字符数目
	
}